CN107595335A - A kind of surgical operation automatic drag hook device - Google Patents
A kind of surgical operation automatic drag hook device Download PDFInfo
- Publication number
- CN107595335A CN107595335A CN201710817715.XA CN201710817715A CN107595335A CN 107595335 A CN107595335 A CN 107595335A CN 201710817715 A CN201710817715 A CN 201710817715A CN 107595335 A CN107595335 A CN 107595335A
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- China
- Prior art keywords
- drag hook
- take
- drawstring
- guide wheel
- hook component
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of surgical operation automatic drag hook device, including fixed mount, drawstring one, drag hook component one, guide groove, drag hook component two, drawstring two, guide wheel one, fixed plate, take-up device one, take-up device two, take-up device three, take-up device four, guide wheel two, guide wheel three, guide wheel four, drag hook component three, drawstring three, drag hook component four and drawstring four；The present invention has rational in infrastructure simple, production cost is low, it is easy for installation, here this lifting hook device is placed into above otch first, otch inside circumference is then held by drag hook, here the take-up device set, drag hook automatic tension otch can be made by drawstring, procedure efficiency is improved so as to accurately expose surgical field of view, also surgical manpower burden is just further reduced, here the position progress left and right adjusting for starting motor progress rotating to movable housing is controlled with double limit switch contact conditions by piston, namely the tightness of drawstring is automatically adjusted.
Description
Technical field
The present invention relates to medical instrument field, more particularly to a kind of surgical operation automatic drag hook device.
Background technology
In hospital, general surgery doctor is easy to operation to grasp when being performed an operation to patient, in order to fully expose surgical field of view
Make, it is generally the case that need to pull operative incision with drag hook；In general hook for surgery operation, is manually pulled more, and its structure includes single
Individual retractor head and drag hook arm, retractor head are fixed, drag hook arm not flexibles, however, in many cases, due to operative incision compared with
Greatly, hand position is more special, and such a lifting hook device can not meet the needs of operation, not only add the work of medical worker
Amount, and have an effect on the therapeutic effect of operation.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of surgical operation automatic drag hook device, solves
Lifting hook device of having determined can not meet the needs of operation, not only add the workload of medical worker, and have an effect on controlling for operation
The problem of therapeutic effect.
In order to solve the above problems, the invention provides a kind of technical scheme：A kind of surgical operation automatic drag hook device,
Including fixed mount, drag hook component one, guide groove, drag hook component two, guide wheel one, fixed plate, take-up device one, take-up device two, drawing
Tight device three, take-up device four, guide wheel two, guide wheel three, guide wheel four, drag hook component three and drag hook component four；On the fixed mount
Guide groove is provided with the outside of face, the fixed mount lower left side is fixedly connected with fixed plate；The drag hook component one is fixedly connected on
Determine frame upper inside；The drag hook component two is fixedly connected on fixed mount inside left；The drag hook component three is fixedly connected on
Fixed mount inner lower；The drag hook component four is fixedly connected on fixed mount inner right side；Above the fixed plate from the top down
Being fixedly connected sequentially has take-up device one, take-up device two, take-up device three and take-up device four；The guide wheel one is positioned at tension
The right side of device one, the guide wheel one are movably connected in above fixed plate；The guide wheel two is located at the right side of take-up device two, described to lead
Wheel two is movably connected in above fixed plate；The guide wheel three is located at the right side of take-up device three, and the guide wheel three is movably connected in solid
Above fixed board；The guide wheel four is located at the right side of take-up device four, and the guide wheel four is movably connected in above fixed plate.
Preferably, also include drawstring one, drawstring two, drawstring three and drawstring four；Described one end of drawstring one and drag hook component
One is connected, and the other end of drawstring one passes sequentially through guide groove and guide wheel one is connected with take-up device one；The drawstring 21
End is connected with drag hook component two, and the other end of drawstring two passes sequentially through guide groove and guide wheel two is connected with take-up device two；
Described one end of drawstring three is connected with drag hook component three, and the other end of drawstring three passes sequentially through guide groove and guide wheel three and filled with tensing
Three are put to be connected；Described one end of drawstring four is connected with drag hook component four, and the other end of drawstring four passes sequentially through guide groove and led
Wheel four is connected with take-up device four.
Preferably, the fixed mount is in toroidal, and annulus is provided with the breach of a quarter.
Preferably, the guide groove is in circular shape.
Preferably, the drag hook component two, drag hook component three, the structure of drag hook component four and drag hook component one are homogeneous
Together.
Preferably, the take-up device two, take-up device three, the structure of take-up device four and take-up device one are homogeneous
Together.
Preferably, the concrete structure of drag hook component one include fixed cover, movable block, guide pin bushing, rod member, locking nut,
Drag hook, spheroid and pulley；The movable block is movably connected in inside fixed cover, and the movable block bottom is fixedly connected with guide pin bushing,
The movable block top center is fixedly connected with the one end of drawstring one；Rod member is fixedly connected with by locking nut in the guide pin bushing；
The rod member bottom is fixedly connected with drag hook；The drag hook outboard end is fixedly connected with spheroid；The moveable roller is connected to
Fixed cover upper interior, the pulley are connected with drawstring one.
Preferably, the concrete structure of take-up device one includes fixed seat, chute, movable housing, double limit switches, work
Plug, extension spring, screw rod and motor；The chute is located inside fixed seat, and left and right is connected with movable housing in the chute；Institute
State left and right inside movable housing and be connected with piston, the movable housing Left-side center screwed hole is flexibly connected with screw rod；Institute
Piston left surface is stated by extension spring with movable housing inside left face to be connected；The screw rod left end and output shaft end on the right side of motor
It is fixedly connected；The motor is fixedly connected on fixed seat left side；Double limit switches are fixedly connected in movable housing
Portion lower right side.
Preferably, the motor is DC speed-reducing.
Beneficial effects of the present invention：The present invention have it is rational in infrastructure it is simple, production cost is low, easy for installation, here, first
This lifting hook device is placed into above otch, then passes through drag hook component one, drag hook component two, drag hook component three and drag hook respectively
Drag hook in component four holds otch inside circumference, the take-up device two set here, take-up device three, take-up device four and drawing
Tight device one, can make drag hook automatic tension otch by drawstring, and operation effect is improved so as to accurately expose surgical field of view
Rate, also just further reduce surgical manpower burden, controlled here by piston with double limit switch contact conditions
The position progress left and right adjusting for starting motor progress rotating to movable housing is made, that is, the tightness of drawstring is carried out certainly
Dynamic regulation, so as to ensure that the tightening force of drag hook in operation is the same all the time, also just further increase the effect of operation.
Brief description of the drawings：
For ease of explanation, the present invention is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of drag hook component one.
Fig. 3 is the structural representation of take-up device one.
1- fixed mounts；2- drawstrings one；3- drag hook components one；4- guide grooves；5- drag hook components two；6- drawstrings two；7- guide wheels one；
8- fixed plates；9- take-up devices one；10- take-up devices two；11- take-up devices three；12- take-up devices four；13- guide wheels two；14-
Guide wheel three；15- guide wheels four；16- drag hook components three；17- drawstrings three；18- drag hook components four；19- drawstrings four；31- fixed covers；
32- movable blocks；33- guide pin bushings；34- rod members；35- locking nuts；36- drag hooks；37- spheroids；38- pulleys；91- fixed seats；92- is slided
Groove；93- movable housings；The double limit switches of 94-；95- pistons；96- extension springs；97- screw rods；98- motors.
Embodiment：
As shown in figure 1, present embodiment uses following technical scheme：A kind of surgical operation automatic drag hook device, including
Fixed mount 1, drawstring 1, drag hook component 1, guide groove 4, drag hook component 25, drawstring 26, guide wheel 1, fixed plate 8, tension dress
Put one 9, take-up device 2 10, take-up device 3 11, take-up device 4 12, guide wheel 2 13, guide wheel 3 14, guide wheel 4 15, drag hook
Component 3 16, drawstring 3 17, drag hook component 4 18 and drawstring 4 19；Guide groove 4 is provided with outside above the fixed mount 1, it is described
The lower left side of fixed mount 1 is fixedly connected with fixed plate 8；The drag hook component 1 is fixedly connected on the upper inside of fixed mount 1；It is described
Drag hook component 25 is fixedly connected on the inside left of fixed mount 1；The drag hook component 3 16 is fixedly connected on subordinate in fixed mount 1
Side；The drag hook component 4 18 is fixedly connected on the inner right side of fixed mount 1；The fixed plate 8 is fixed successively from the top down above
It is connected with take-up device 1, take-up device 2 10, take-up device 3 11 and take-up device 4 12；The guide wheel 1 is positioned at tension
The right side of device 1, the guide wheel 1 are movably connected in above fixed plate 8；It is right that the guide wheel 2 13 is located at take-up device 2 10
Side, the guide wheel 2 13 are movably connected in above fixed plate 8；The guide wheel 3 14 is located at the right side of take-up device 3 11, described to lead
3 14 are taken turns to be movably connected in above fixed plate 8；The guide wheel 4 15 is located at the right side of take-up device 4 12, the activity of guide wheel 4 15
It is connected to above fixed plate 8；Described one end of drawstring 1 is connected with drag hook component 1, and the other end of drawstring 1 leads to successively
Cross guide groove 4 and guide wheel 1 is connected with take-up device 1；Described one end of drawstring 26 is connected with drag hook component 25, the drawing
26 other ends of restricting pass sequentially through guide groove 4 and guide wheel 2 13 is connected with take-up device 2 10；Described one end of drawstring 3 17 and drag hook
Component 3 16 is connected, and the other end of drawstring 3 17 passes sequentially through guide groove 4 and guide wheel 3 14 is connected with take-up device 3 11；
Described one end of drawstring 4 19 is connected with drag hook component 4 18, and the other end of drawstring 4 19 passes sequentially through guide groove 4 and guide wheel four
15 are connected with take-up device 4 12.
Wherein, the fixed mount 1 is in toroidal, and annulus is provided with the breach of a quarter；The guide groove 4 is in circular arc
Shape；The drag hook component 25, drag hook component 3 16, the structure all same of drag hook component 4 18 and drag hook component 1；It is described
Take-up device 2 10, take-up device 3 11, the structure all same of take-up device 4 12 and take-up device 1.
As shown in Fig. 2 the concrete structure of drag hook component 1 include fixed cover 31, movable block 32, guide pin bushing 33, rod member 34,
Locking nut 35, drag hook 36, spheroid 37 and pulley 38；The movable block 32 is movably connected in inside fixed cover 31, the activity
The bottom of block 32 is fixedly connected with guide pin bushing 33, and the top center of movable block 32 is fixedly connected with the one end of drawstring 1；The guide pin bushing 33
In rod member 34 is fixedly connected with by locking nut 35；The bottom of rod member 34 is fixedly connected with drag hook 36；Outside the drag hook 36
Side end is fixedly connected with spheroid 37；The pulley 38 is movably connected in the upper interior of fixed cover 31, the pulley 38 and drawstring
One 2 are connected.
As shown in figure 3, the concrete structure of take-up device 1 includes fixed seat 91, chute 92, movable housing 93, double limits
Bit switch 94, piston 95, extension spring 96, screw rod 97 and motor 98；The chute 92 is located inside fixed seat 91, in the chute 92
Left and right is connected with movable housing 93；The inside of movable housing 93 left and right is connected with piston 95, the movable housing
93 Left-side center screwed holes are flexibly connected with screw rod 97；The left surface of piston 95 is left by extension spring 96 and the inside of movable housing 93
Side is connected；The left end of screw rod 97 is fixedly connected with the right side output shaft end of motor 98；The motor 98 is fixedly connected on
On the left side of reservation 91；Double limit switches 94 are fixedly connected on the inside lower right side of movable housing 93.
Wherein, the motor 98 is DC speed-reducing.
The present invention use state be：The present invention have it is rational in infrastructure it is simple, production cost is low, easy for installation, in use,
This lifting hook device is placed into above otch first, then passes through drag hook component 1, drag hook component 25, drag hook component three respectively
16 and drag hook component 4 18 in drag hook hold otch inside circumference, the take-up device 2 10 set here, take-up device 3 11,
Take-up device 4 12 and take-up device 1, drag hook automatic tension otch can be made by drawstring, so as to accurately expose operation
The visual field improves procedure efficiency, also just further reduces surgical manpower burden, and what is set in take-up device is double
Limit switch 94, the tightening force of drawstring can be automatically controlled, specifically namely when the tightening force of drawstring is bigger,
Piston 95 can be made to move to right and double limit switches 94 while contact, motor 98 is started by the drive movable housing 93 of screw rod 97
Release drawstring is moved to right, then stops starting motor 98 until piston 95 is in contact with first switch in double limit switches 94, separately
Outside when drawstring is more loose, piston 95 can be made to be separated with double limit switches 94, then motor 98 starts to drive by screw rod 97 and lived
Dynamic housing 93 moves to left tension drawstring, then stops starting until making piston 95 be in contact with first switch in double limit switches 94
Motor 98, the progress rotating of motor 98 is started to active shell to control with double contact conditions of limit switch 94 by piston 95 here
The position of body 93 carries out left and right adjusting, that is, the tightness of drawstring is automatically adjusted, and is drawn so as to ensure that in operation
The tightening force of hook is the same all the time, also just further increases the effect of operation.
The general principle and principal character and advantages of the present invention of the present invention, the technology of the industry has been shown and described above
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
- A kind of 1. surgical operation automatic drag hook device, it is characterised in that：Including fixed mount（1）, drag hook component one（3）, guide groove （4）, drag hook component two（5）, guide wheel one（7）, fixed plate（8）, take-up device one（9）, take-up device two（10）, take-up device three （11）, take-up device four（12）, guide wheel two（13）, guide wheel three（14）, guide wheel four（15）, drag hook component three（16）And drag hook component Four（18）；The fixed mount（1）Above guide groove is provided with outside（4）, the fixed mount（1）Lower left side is fixedly connected with fixed plate （8）；The drag hook component one（3）It is fixedly connected on fixed mount（1）Upper inside；The drag hook component two（5）It is fixedly connected on Fixed mount（1）Inside left；The drag hook component three（16）It is fixedly connected on fixed mount（1）Inner lower；The drag hook component Four（18）It is fixedly connected on fixed mount（1）Inner right side；The fixed plate（8）Being fixedly connected sequentially from the top down above has tension Device one（9）, take-up device two（10）, take-up device three（11）With take-up device four（12）；The guide wheel one（7）Positioned at tension Device one（9）Right side, the guide wheel one（7）It is movably connected in fixed plate（8）Above；The guide wheel two（13）Positioned at take-up device Two（10）Right side, the guide wheel two（13）It is movably connected in fixed plate（8）Above；The guide wheel three（14）Positioned at take-up device three （11）Right side, the guide wheel three（14）It is movably connected in fixed plate（8）Above；The guide wheel four（15）Positioned at take-up device four （12）Right side, the guide wheel four（15）It is movably connected in fixed plate（8）Above.
- A kind of 2. surgical operation automatic drag hook device according to claim 1, it is characterised in that：Also include drawstring one （2）, drawstring two（6）, drawstring three（17）With drawstring four（19）；The drawstring one（2）One end and drag hook component one（3）It is connected, The drawstring one（2）The other end passes sequentially through guide groove（4）With guide wheel one（7）With take-up device one（9）It is connected；The drawstring two （6）One end and drag hook component two（5）It is connected, the drawstring two（6）The other end passes sequentially through guide groove（4）With guide wheel two（13）With Take-up device two（10）It is connected；The drawstring three（17）One end and drag hook component three（16）It is connected, the drawstring three（17） The other end passes sequentially through guide groove（4）With guide wheel three（14）With take-up device three（11）It is connected；The drawstring four（19）One end and drag hook component four（18）It is connected, the drawstring four（19）The other end passes sequentially through guide groove （4）With guide wheel four（15）With take-up device four（12）It is connected.
- A kind of 3. surgical operation automatic drag hook device according to claim 2, it is characterised in that：The fixed mount（1） In toroidal, and annulus is provided with the breach of a quarter.
- A kind of 4. surgical operation automatic drag hook device according to claim 2, it is characterised in that：The guide groove（4）It is in Circular shape.
- A kind of 5. surgical operation automatic drag hook device according to claim 2, it is characterised in that：The drag hook component two （5）, drag hook component three（16）, drag hook component four（18）With drag hook component one（3）Structure all same.
- A kind of 6. surgical operation automatic drag hook device according to claim 2, it is characterised in that：The take-up device two （10）, take-up device three（11）, take-up device four（12）With take-up device one（9）Structure all same.
- A kind of 7. surgical operation automatic drag hook device according to claim 5, it is characterised in that：The drag hook component one （3）Concrete structure includes fixed cover（31）, movable block（32）, guide pin bushing（33）, rod member（34）, locking nut（35）, drag hook（36）、 Spheroid（37）And pulley（38）；The movable block（32）It is movably connected in fixed cover（31）Inside, the movable block（32）Bottom It is fixedly connected with guide pin bushing（33）, the movable block（32）Top center and drawstring one（2）One end is fixedly connected；The guide pin bushing（33） In pass through locking nut（35）It is fixedly connected with rod member（34）；The rod member（34）Bottom is fixedly connected with drag hook（36）；It is described Drag hook（36）Outboard end is fixedly connected with spheroid（37）；The pulley（38）It is movably connected in fixed cover（31）Upper interior, The pulley（38）With drawstring one（2）It is connected.
- A kind of 8. surgical operation automatic drag hook device according to claim 6, it is characterised in that：The take-up device one （9）Concrete structure includes fixed seat（91）, chute（92）, movable housing（93）, double limit switches（94）, piston（95）, extension spring （96）, screw rod（97）And motor（98）；The chute（92）It is located at fixed seat（91）Inside, the chute（92）Middle left and right activity It is connected with movable housing（93）；The movable housing（93）Internal left and right is connected with piston（95）, the movable housing （93）Left-side center screwed hole and screw rod（97）It is flexibly connected；The piston（95）Left surface passes through extension spring（96）With movable housing （93）Inside left face is connected；The screw rod（97）Left end and motor（98）Right side output shaft end is fixedly connected；The motor （98）It is fixedly connected on fixed seat（91）On left side；Double limit switches（94）It is fixedly connected on movable housing（93）It is internal Lower right side.
- A kind of 9. surgical operation automatic drag hook device according to claim 7, it is characterised in that：The motor（98）For DC speed-reducing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817715.XA CN107595335B (en) | 2017-09-12 | 2017-09-12 | Automatic retractor device for surgical operation |
| CN202010314771.3A CN111528944A (en) | 2017-09-12 | 2017-09-12 | Automatic retractor device for surgical operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710817715.XA CN107595335B (en) | 2017-09-12 | 2017-09-12 | Automatic retractor device for surgical operation |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010314771.3A Division CN111528944A (en) | 2017-09-12 | 2017-09-12 | Automatic retractor device for surgical operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107595335A true CN107595335A (en) | 2018-01-19 |
| CN107595335B CN107595335B (en) | 2020-06-09 |
Family
ID=61063300
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710817715.XA Expired - Fee Related CN107595335B (en) | 2017-09-12 | 2017-09-12 | Automatic retractor device for surgical operation |
| CN202010314771.3A Withdrawn CN111528944A (en) | 2017-09-12 | 2017-09-12 | Automatic retractor device for surgical operation |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010314771.3A Withdrawn CN111528944A (en) | 2017-09-12 | 2017-09-12 | Automatic retractor device for surgical operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107595335B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201516056U (en) * | 2009-09-15 | 2010-06-30 | 陈丽荣 | Laparoscopic surgery retractor with retractor rack |
| CN102678006A (en) * | 2012-05-16 | 2012-09-19 | 南通朝阳智能科技有限公司 | Expanded electric door and window opening/closing device |
| CN203576569U (en) * | 2013-12-12 | 2014-05-07 | 张金美 | Draw hook for hepatobiliary surgery |
| CN203763143U (en) * | 2014-02-21 | 2014-08-13 | 张献华 | Operation retractor assistor for obstetrics and gynecology department |
| CN106037839A (en) * | 2016-05-12 | 2016-10-26 | 姜润德 | Surgical hang hook device for department of hepatobiliary surgery |
| CN106388884A (en) * | 2016-11-04 | 2017-02-15 | 李进 | Surgical operation retraction device |
-
2017
- 2017-09-12 CN CN201710817715.XA patent/CN107595335B/en not_active Expired - Fee Related
- 2017-09-12 CN CN202010314771.3A patent/CN111528944A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201516056U (en) * | 2009-09-15 | 2010-06-30 | 陈丽荣 | Laparoscopic surgery retractor with retractor rack |
| CN102678006A (en) * | 2012-05-16 | 2012-09-19 | 南通朝阳智能科技有限公司 | Expanded electric door and window opening/closing device |
| CN203576569U (en) * | 2013-12-12 | 2014-05-07 | 张金美 | Draw hook for hepatobiliary surgery |
| CN203763143U (en) * | 2014-02-21 | 2014-08-13 | 张献华 | Operation retractor assistor for obstetrics and gynecology department |
| CN106037839A (en) * | 2016-05-12 | 2016-10-26 | 姜润德 | Surgical hang hook device for department of hepatobiliary surgery |
| CN106388884A (en) * | 2016-11-04 | 2017-02-15 | 李进 | Surgical operation retraction device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107595335B (en) | 2020-06-09 |
| CN111528944A (en) | 2020-08-14 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lan Xinyan Inventor after: Sun Jing Inventor after: Li Yao Inventor after: Cui Lin Inventor before: Cui Lin |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200514 Address after: 266109 No. 600, the Great Wall Road, Chengyang District, Shandong, Qingdao Applicant after: QINGDAO CITY CHENGYANG PEOPLE'S Hospital Address before: Zhifu District of Shandong city of Yantai province Fuk Wa Street 264000 No. 30-303 Applicant before: Cui Lin |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210912 |